California Dental Assn. v. American Dental Assn. , 23 Cal.3d 346 [L.A. No. 30994. Supreme Court of California. February 20, 1979.] CALIFORNIA DENTAL ASSOCIATION, Plaintiff and Respondent, v. AMERICAN DENTAL ASSOCIATION, Defendant and Appellant; CHARLES BLOCK, Real Party in Interest and Respondent (Opinion by Mosk, J., with Tobriner, Clark, Richardson, Manuel and Newman, JJ., concurring. […]